The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 23mm F1.4 DC DN C and the Sigma 24-70mm F2.8 EX DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 24-70mm F2.8 EX DG HSM is the longer of the two lenses at 95mm. The Sigma 23mm F1.4 DC DN C with a length of 79mm, is 16mm shorter. Besides being longer, the Sigma 24-70mm F2.8 EX DG HSM also has a larger diameter of 89mm compared to the Sigma 23mm F1.4 DC DN C's 66mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 23mm F1.4 DC DN C weighs 330g, which means it is 460g (58%) lighter than the Sigma 24-70mm F2.8 EX DG HSM which has a weight of 790g.
Filter Threads
The Sigma 23mm F1.4 DC DN C has a filter size of 52mm whereas the Sigma 24-70mm F2.8 EX DG HSM has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Sigma 23mm F1.4 DC DN C:
And these are the 82mm filters that we recommend for the Sigma 24-70mm F2.8 EX DG HSM:
Lens Mounts
The Sigma 23mm F1.4 DC DN C has the Fujifilm X lens mount whereas the Sigma 24-70mm F2.8 EX DG HSM has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 23mm F1.4 DC DN C is also available in the Sony E and Leica L mounts.
Sigma 24-70mm F2.8 EX DG HSM is also available in Canon EF , Pentax KAF3, Sigma SA and Nikon F (FX) mounts.
Focal Range
Sigma 23mm F1.4 DC DN C is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of
34.5mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 24-70mm F2.8 EX DG HSM has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm.
